Shell for a biological testing device



FIG. 1 is a top perspective view of a shell for a biological testing device showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a bottom perspective view thereof;

FIG. 9 is another top perspective view thereof;

FIG. 10 is another bottom perspective view thereof;

FIG. 11 is an enlarged view of a circled portion 11 of FIG. 9; and,

FIG. 12 is an enlarged view of a circled portion 12 of FIG. 10.

The broken lines show portions of the shell for a biological testing device that form no part of the claimed design.

The bottom surfaces of the recesses formed in the top and bottom surfaces of the shell for a biological testing device form no part of the claimed design. 

CLAIM The ornamental design for a shell for a biological testing device, as shown and described. 